hostal management system

hello everyone i have worked on the part that comes before void main() plz some one check this out weither i am doing it right or not please..
#include<iostream.h>
#include<conio.h>
struct address
{
char country_name[30], province_name[30],city_name[30], street[30];
int street_no,h_no;
};
struct student
{
char first_name[30],last_name[30];
int student_id;
char address d;
long cell_no;
};